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​Algebra Introduction: Quiz 1 - Answers

1) 2a

 

2) 2b

 

3) 5c

 

4) 9d

 

5) 5f – 2e     or     -2e + 5f

 

6) 9g + 4h

 

7) x2 + 2x – 12

 

8) 12y5 – 3y2 – 9y


Working
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Questions
Simplify the following expressions. ​

1) a + a

 

2) b + b + b – b

 

3) 2c + 3c

 

4) 15d – 6d

 

5) 4e + 5f – 6e

 

6) 5g + 6h – 2h + 4g

 

7) 5x2 + 4x – 12 – 2x – 4x2

 

8) 12y5 – 2y + 2y2 – 7y – 5y2

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